Canister



FIG. 1 is a front perspective view of a canister;

FIG. 2 is a rear perspective view of the canister of FIG. 1;

FIG. 3 is a front view of the canister of FIG. 1;

FIG. 4 is a rear view of the canister of FIG. 1;

FIG. 5 is top view of the canister of FIG. 1;

FIG. 6 is a side perspective view of the canister of FIG. 1; and,

FIG. 7 is a bottom view of the canister of FIG. 1.

The broken lines depict portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a canister, as shown and described. 